Skip to content
seatemperatures.net

Warmest sea in United Kingdom in October

914 coastal locations in United Kingdom ranked by their typical October sea temperature. Region-wide average in October: 14.1°C. The top of the list is where to find the warmest swimming this month.

Warmest in October

English Channel

16.6°C October mean in United Kingdom

Regional October average

14.1°C

across all 914 coastal locations in United Kingdom

Vs annual mean

+2.2°C

above the year-round regional average

What the United Kingdom sea feels like in October

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

United Kingdom monthly average 8.1°C to 16.5°C
J
F
M
A
M
J
J
A
S
O
N
D
  • Warmest month August 16.5°C
  • Coldest month February 8.1°C
  • Annual mean 12.0°C
  • Months above 20°C 0 of 12

Where October fits in the year

October sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve United Kingdom month rankings:

United Kingdom sea temperature map (live)

The map shows today's latest reading at every United Kingdom location. The list below is based on the typical October mean, useful for trip planning weeks or months ahead.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest United Kingdom locations in October

Sorted by the typical October mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# Location October mean
1 English Channel England 16.6°C
2 Sovereign Harbour East Sussex 16.6°C
3 Newhaven East Sussex 16.6°C
4 Seaford East Sussex 16.6°C
5 Bexhill-on-Sea East Sussex 16.6°C
6 Brighton Marina Brighton and Hove 16.6°C
7 Eastbourne East Sussex 16.6°C
8 Normans Bay East Sussex 16.6°C
9 Pevensey Bay East Sussex 16.6°C
10 Shoreham Harbour West Sussex 16.6°C
11 Shoreham West Sussex 16.6°C
12 Brighton East Sussex 16.6°C
13 Hove East Sussex 16.6°C
14 Peacehaven West Sussex 16.6°C
15 Saltdean East Sussex 16.6°C
16 Maseline Pier Channel Islands 16.5°C
17 Hastings East Sussex 16.5°C
18 Saint Leonards-on-Sea East Sussex 16.5°C
19 Camber Sands East Sussex 16.5°C
20 Dungeness Kent 16.5°C
21 Greatstone Kent 16.5°C
22 Lydd-on-Sea Kent 16.5°C
23 Ferring West Sussex 16.5°C
24 Goring-by-Sea West Sussex 16.5°C
25 Lancing West Sussex 16.5°C
Show 25 more ▸
26 Shoreham-by-Sea West Sussex 16.5°C
27 Worthing West Sussex 16.5°C
28 Rye Harbour East Sussex 16.4°C
29 Selsey West Sussex 16.4°C
30 Dymchurch Kent 16.4°C
31 Bembridge Isle of Wight 16.4°C
32 Ryde Isle of Wight 16.4°C
33 Sandown Isle of Wight 16.4°C
34 Seaview Isle of Wight 16.4°C
35 Shanklin England 16.4°C
36 Ventnor Isle of Wight 16.4°C
37 Gillingham Kent 16.4°C
38 Grays Essex 16.4°C
39 Greenhithe Kent 16.4°C
40 Hoo England 16.4°C
41 London England 16.4°C
42 Queenborough Kent 16.4°C
43 Tilbury England 16.4°C
44 Littlehampton (Uma Wharf) West Sussex 16.4°C
45 Sandettie Bank Kent 16.4°C
46 Bognor Regis West Sussex 16.4°C
47 Climping West Sussex 16.4°C
48 Compton Bay Isle of Wight 16.4°C
49 Gurnard Isle of Wight 16.4°C
50 Littlehampton West Sussex 16.4°C

Coldest 10 in United Kingdom in October

Same data the other way. Helpful if you want to know which United Kingdom coasts to avoid for swimming in October.

# Location October mean
1 Lerwick Scotland 11.4°C
2 Sandwick Scotland 11.4°C
3 Shetland Scotland 11.4°C
4 Sumburgh Scotland 11.4°C
5 Shetland Shetland Islands 11.5°C
6 Scalloway Shetland Islands 11.6°C
7 Baltasound Pier Shetland Islands 11.6°C
8 Rockall Comhairle nan Eilean Siar 11.6°C
9 Bay of Quendale Shetland Islands 11.6°C
10 Sumburgh (Grutness Voe) Shetland Islands 11.6°C

More on this region